Ethyl 2-amino-3-(bromomethyl)-6-(difluoromethyl)pyridine-4-carboxylate
4-Amino-2-(bromomethyl)-3-(difluoromethyl)pyridine-5-carboxylic acid
4-Amino-3-(bromomethyl)-5-(difluoromethyl)pyridine-2-acetic acid
Ethyl 2-amino-3-(bromomethyl)-4-(difluoromethyl)pyridine-6-carboxylate